1442488 has 8 divisors (see below), whose sum is σ = 2704680. Its totient is φ = 721240.

The previous prime is 1442459. The next prime is 1442509. The reversal of 1442488 is 8842441.

It is a tau number, because it is divible by the number of its divisors (8).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90148 + ... + 90163.

It is an arithmetic number, because the mean of its divisors is an integer number (338085).

2^1442488 is an apocalyptic number.

It is an amenable number.

1442488 is a deficient number, since it is larger than the sum of its proper divisors (1262192).

1442488 is a wasteful number, since it uses less digits than its factorization.

1442488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180317 (or 180313 counting only the distinct ones).

The product of its digits is 8192, while the sum is 31.

The square root of 1442488 is about 1201.0362192707. The cubic root of 1442488 is about 112.9893220912.

The spelling of 1442488 in words is "one million, four hundred forty-two thousand, four hundred eighty-eight".